www.DrElizabethQuinn.com Teens and pre-teens, as parents know, undergo growth spurts. These "fast growth" periods put special kinds of stresses on the joints, posture, and overall functioning of the young person. Careful, complete full-body balancing is an essential part of preventive care during these times. As an Advanced Proficiency Rated ACTIVATOR chiropractor, I often treat teens & pre-teens.